Yellow fever Causes, Symptoms, Diagnosis, Treatment, and Prevention
Yellow fever is a viral disease transmitted by mosquitoes in tropical and subtropical regions of Africa and South America. The virus, belonging to the Flaviviridae family, primarily affects humans and some primates, leading to varying degrees of illness, ranging from mild symptoms to severe manifestations that can be life-threatening. Transmission and Symptoms: The yellow fever virus is primarily transmitted through the bite of infected Aedes aegypti mosquitoes, which thrive in urban areas, and Haemagogus mosquitoes, found in forested regions. The initial symptoms usually appear 3 to 6 days after infection and include fever, headache, muscle pain, nausea, and loss of appetite. Most cases recover after this phase, experiencing a period of remission. However, in about 15% of cases, a more severe form of the disease develops after a brief remission. This stage, known as toxic phase, can lead to symptoms such as high fever, jaundice (which gives the disease its name), abdominal pain, vomit...